Lip for earth moving machine shovel and lip manufacturing method

A lip for an earth moving machine shovel, comprising:

• a main body;
• and
• a plurality of noses protruding from the main body;
• wherein at least one transmission surface between each nose of the plurality of noses and the main body has a slope variation of between 0° and 10°, each transmission surface comprising at least a portion of a stabilisation surface of a respective nose of the plurality of noses and a portion of a surface of the main body.

A shovel for an earth moving machine comprising:

• a shovel body, and a lip welded to the shovel body, the lip comprising:
• a main body;
• and
• a plurality of noses protruding from the main body;
• wherein at least one transmission surface between each nose of the plurality of noses and the main body has a slope variation of between 0° and 10°, each transmission surface comprising at least a portion of a stabilisation surface of the respective nose and a portion of a surface of the main body.

A method for manufacturing an earth moving machine shovel lip, comprising:

• introducing molten steel into a lip mould through one or more openings in the lip mould, the lip mould comprising a plurality of risers;
• cooling or waiting for the molten steel introduced into the lip mould until it solidifies;
• and
• removing the plurality of risers from the lip manufactured with the lip mould.